Effect of saddle height on the kinematics of lumbar spine of cyclists
DOI:
https://doi.org/10.5016/4156Keywords:
Cycling. Kinematic. Spine. Ergonomics.Abstract
The aim of this study was to analyze the influence of saddle height on the kinematics of the lumbar spine during cycling. Eight recreational cyclists were assessed in an usual situation (self-selected) and the situation of saddle properly adjusted while pedaling with a load set at 150 W. Using two-dimensional kinematic the angles of flexion, lateral inclination and rotation of the lumbar spine were computed. The flexion was greater in the adjusted position whereas the highest average tilt and rotation angles occurred in the usual position. There were two cycles of flexion-extension observed during a complete pedaling cycle, and only one cycle of lateral inclination and rotation. The major differences were observed at early, middle and end of the pedaling cycle. The mismanagement of the saddle did not involve significant changes in the kinematics of the lumbar spine for the conditions tested.Downloads
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